EP1758394A3 - Protection contre le copie de vidéo numérique - Google Patents

Protection contre le copie de vidéo numérique Download PDF

Info

Publication number
EP1758394A3
EP1758394A3 EP06024866A EP06024866A EP1758394A3 EP 1758394 A3 EP1758394 A3 EP 1758394A3 EP 06024866 A EP06024866 A EP 06024866A EP 06024866 A EP06024866 A EP 06024866A EP 1758394 A3 EP1758394 A3 EP 1758394A3
Authority
EP
European Patent Office
Prior art keywords
signal
digital video
copy protection
video copy
security
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06024866A
Other languages
German (de)
English (en)
Other versions
EP1758394A2 (fr
Inventor
Katsumi c/o Int. Property Department Tahara
Hideki c/o Int. Property Department Koyanagi
Yoichi c/o Int. Property Department Yagasaki
Yasushi c/o Int. Property Department Fujinami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP1758394A2 publication Critical patent/EP1758394A2/fr
Publication of EP1758394A3 publication Critical patent/EP1758394A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
EP06024866A 1995-09-01 1996-08-30 Protection contre le copie de vidéo numérique Withdrawn EP1758394A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP22503895 1995-09-01
EP00203475A EP1085754B1 (fr) 1995-09-01 1996-08-30 Protection numérique contre la copie vidéo
EP96306283A EP0762758B1 (fr) 1995-09-01 1996-08-30 Protection numérique contre la copie vidéo
EP03077296A EP1359754B1 (fr) 1995-09-01 1996-08-30 Protection contre la copie de vidéo numérique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP03077296A Division EP1359754B1 (fr) 1995-09-01 1996-08-30 Protection contre la copie de vidéo numérique

Publications (2)

Publication Number Publication Date
EP1758394A2 EP1758394A2 (fr) 2007-02-28
EP1758394A3 true EP1758394A3 (fr) 2007-07-04

Family

ID=16823084

Family Applications (4)

Application Number Title Priority Date Filing Date
EP96306283A Expired - Lifetime EP0762758B1 (fr) 1995-09-01 1996-08-30 Protection numérique contre la copie vidéo
EP06024866A Withdrawn EP1758394A3 (fr) 1995-09-01 1996-08-30 Protection contre le copie de vidéo numérique
EP00203475A Expired - Lifetime EP1085754B1 (fr) 1995-09-01 1996-08-30 Protection numérique contre la copie vidéo
EP03077296A Expired - Lifetime EP1359754B1 (fr) 1995-09-01 1996-08-30 Protection contre la copie de vidéo numérique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP96306283A Expired - Lifetime EP0762758B1 (fr) 1995-09-01 1996-08-30 Protection numérique contre la copie vidéo

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP00203475A Expired - Lifetime EP1085754B1 (fr) 1995-09-01 1996-08-30 Protection numérique contre la copie vidéo
EP03077296A Expired - Lifetime EP1359754B1 (fr) 1995-09-01 1996-08-30 Protection contre la copie de vidéo numérique

Country Status (5)

Country Link
US (3) US5703859A (fr)
EP (4) EP0762758B1 (fr)
KR (1) KR100472797B1 (fr)
CN (1) CN1168303C (fr)
DE (3) DE69632419T2 (fr)

Families Citing this family (28)

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KR0152788B1 (ko) 1994-11-26 1998-10-15 이헌조 디지탈 영상 시스템의 복사 방지 방법 및 장치
KR0136458B1 (ko) 1994-12-08 1998-05-15 구자홍 디지탈 자기 기록재생 시스템의 복사 방지장치
US5703859A (en) * 1995-09-01 1997-12-30 Sony Corporation Digital video copy protection system
JP3449106B2 (ja) * 1996-03-06 2003-09-22 ソニー株式会社 ビデオ信号処理装置、ビデオ信号処理方法並びにビデオ信号記録／再生装置
JPH10285530A (ja) * 1997-04-04 1998-10-23 Sony Corp コピーガード状態通知方法および映像信号処理装置
US6011761A (en) * 1997-06-20 2000-01-04 Sony Corporation Downloading compressed audio data from a server and detecting recording inhibiting information
US6646967B1 (en) * 1997-08-12 2003-11-11 Denon Digital Llc Method for making copy protected optical discs
KR100750520B1 (ko) 1997-09-25 2007-08-21 소니 가부시끼 가이샤 부호화 스트림 생성 장치 및 방법, 데이터 전송 시스템 및 방법, 편집 시스템 및 방법
JP3890737B2 (ja) 1998-04-14 2007-03-07 株式会社日立製作所 ディジタル映像信号または音声信号の再生装置及び再生方法
JP3817364B2 (ja) * 1998-05-07 2006-09-06 パイオニア株式会社 画像記録信号生成装置、情報記録装置及び記録媒体
JPH11328851A (ja) * 1998-05-19 1999-11-30 Sony Corp 端末装置及び再生方法
JP4232059B2 (ja) * 1998-06-18 2009-03-04 ソニー株式会社 情報送信装置および方法、並びに記録媒体
CN100356475C (zh) 1999-02-26 2007-12-19 日本胜利株式会社 信息重放方法
GB2354347B (en) * 1999-08-04 2003-09-03 Internat Federation Of The Pho Reproduction control system
US7039188B2 (en) * 2001-08-31 2006-05-02 Oleg Saliahov Optical disc authentication method and apparatus
CN100354966C (zh) * 2001-01-12 2007-12-12 索尼公司 数据复制管理方法和设备,以及复制管理系统
US7350228B2 (en) * 2001-01-23 2008-03-25 Portauthority Technologies Inc. Method for securing digital content
US7681032B2 (en) * 2001-03-12 2010-03-16 Portauthority Technologies Inc. System and method for monitoring unauthorized transport of digital content
US8478824B2 (en) * 2002-02-05 2013-07-02 Portauthority Technologies Inc. Apparatus and method for controlling unauthorized dissemination of electronic mail
US20050025291A1 (en) * 2001-03-12 2005-02-03 Vidius Inc. Method and system for information distribution management
JP4880140B2 (ja) * 2001-09-07 2012-02-22 任天堂株式会社 光ディスクならびに光ディスク再生装置および記録装置
US7197143B2 (en) * 2002-01-18 2007-03-27 The Johns Hopkins University Digital video authenticator
KR100593485B1 (ko) * 2002-11-30 2006-07-03 임경수 광기록매체의 대량 복사방법
CN101188116A (zh) * 2003-01-23 2008-05-28 Lg电子株式会社 记录介质及其形成、记录、再现和再现控制的装置和方法
ATE490534T1 (de) 2003-01-23 2010-12-15 Lg Electronics Inc Aufzeichnungsmedium mit in abstunden oder abwechselnd gewobbleten pits und vorrichtung und verfahren zur herstellung, aufzeichnung und wiedergabe des aufzeichnungsmediums
KR100952949B1 (ko) 2003-01-24 2010-04-15 엘지전자 주식회사 고밀도 광디스크의 복사 방지 정보 관리방법
JP2009129520A (ja) * 2007-11-26 2009-06-11 Taiyo Yuden Co Ltd 光情報記録媒体及び光情報記録媒体への情報記録方法並びに光情報記録装置
US10108168B2 (en) 2014-06-01 2018-10-23 Si-Ga Data Security (2014) Ltd. Industrial control system smart hardware monitoring

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ATE171831T1 (de) * 1991-12-27 1998-10-15 Sony Corp Bilddatenkodier/dekodierverfahren und - vorrichtung
JP3114339B2 (ja) * 1992-03-13 2000-12-04 ソニー株式会社 記録装置、再生装置、出力装置、データ記録方法、データ再生方法およびデータ出力方法
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Also Published As

Publication number Publication date
DE69622332T2 (de) 2003-03-06
EP1758394A2 (fr) 2007-02-28
US5703859A (en) 1997-12-30
CN1168303C (zh) 2004-09-22
DE69622332D1 (de) 2002-08-22
EP1359754A2 (fr) 2003-11-05
DE69636992T2 (de) 2007-12-06
US6115533A (en) 2000-09-05
EP1359754A3 (fr) 2004-03-03
CN1152170A (zh) 1997-06-18
EP0762758A2 (fr) 1997-03-12
DE69632419T2 (de) 2005-05-19
DE69636992D1 (de) 2007-05-03
KR100472797B1 (ko) 2005-06-27
EP1085754B1 (fr) 2004-05-06
EP1359754B1 (fr) 2007-03-21
US6295407B1 (en) 2001-09-25
EP0762758B1 (fr) 2002-07-17
EP1085754A1 (fr) 2001-03-21
DE69632419D1 (de) 2004-06-09
KR970017480A (ko) 1997-04-30
EP0762758A3 (fr) 1997-05-28

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